On Mon, 30 Apr 2018, Tim Hollebeek wrote:
What about the cases we discussed where there is DNSSEC, but only for a
subtree?
I don't know what that means? You mean a trust island not chained to the
root? If so, then yes, that is a zone without DNSSEC since it is missing
a DS in its parent (or
>> Sent: Monday, April 30, 2018 11:07 AM
>> To: Tim Hollebeek <tim.holleb...@digicert.com>
>> Cc: mozilla-dev-security-policy
> <mozilla-dev-security-pol...@lists.mozilla.org>
>> Subject: RE: "multiple perspective validations" - AW: Regional BGP hi
leb...@digicert.com>
> Cc: mozilla-dev-security-policy
<mozilla-dev-security-pol...@lists.mozilla.org>
> Subject: RE: "multiple perspective validations" - AW: Regional BGP hijack
of
> Amazon DNS infrastructure
>
> On Mon, 30 Apr 2018, Tim Hollebeek via de
On Mon, 30 Apr 2018, Tim Hollebeek via dev-security-policy wrote:
I don't think this opinion is in conflict with the suggestion that we
required
DNSSEC validation on CAA records when (however rarely) it is deployed. I
added this as https://github.com/mozilla/pkipolicy/issues/133
One of the
> I don't think this opinion is in conflict with the suggestion that we
> required
> DNSSEC validation on CAA records when (however rarely) it is deployed. I
> added this as https://github.com/mozilla/pkipolicy/issues/133
One of the things that could help quite a bit is to only require DNSSEC
On Thu, Apr 26, 2018 at 6:59 AM, Ryan Hurst via dev-security-policy <
dev-security-policy@lists.mozilla.org> wrote:
> On Thursday, April 26, 2018 at 11:45:15 AM UTC, Tim Hollebeek wrote:
> > > > which is why in the near future we can hopefully use RDAP over TLS
> > > > (RFC
> > > > 7481) instead
On Thursday, April 26, 2018 at 11:45:15 AM UTC, Tim Hollebeek wrote:
> > > which is why in the near future we can hopefully use RDAP over TLS
> > > (RFC
> > > 7481) instead of WHOIS, and of course since the near past, DNSSEC :)
> >
> > I agree moving away from WHOIS to RDAP over TLS is a good low
> > which is why in the near future we can hopefully use RDAP over TLS
> > (RFC
> > 7481) instead of WHOIS, and of course since the near past, DNSSEC :)
>
> I agree moving away from WHOIS to RDAP over TLS is a good low hanging fruit
> mitigator once it is viable.
My opinion is it is viable now,
On Wednesday, April 25, 2018 at 3:48:07 PM UTC+2, Paul Wouters wrote:
> On Wed, 25 Apr 2018, Ryan Hurst via dev-security-policy wrote:
>
> > Multiple perspectives is useful when relying on any insecure third-party
> > resource; for example DNS or Whois.
> >
> > This is different than requiring
On Wed, Apr 25, 2018 at 7:28 AM, Buschart, Rufus via dev-security-policy <
dev-security-policy@lists.mozilla.org> wrote:
> Hi Ryan!
>
> The "multiple perspective validations" is an interesting idea. Did you
> think about combining it with CAA checking? I could imagine having a new
> tag, e.g.
On 25/04/2018 18:01, Quirin Scheitle wrote:
Hi Jakob,
As someone who has actually /removed/ DNSSEC from some domains after it
caused serious ripling failures, the brokenness of DNSSEC does not come
from how often DNSSEC fails to validate valid requests but from how
easily DNSSEC can crash a
On Wed, Apr 25, 2018 at 11:01 AM, Quirin Scheitle via dev-security-policy <
dev-security-policy@lists.mozilla.org> wrote:
>
>
> This is not about whether or not domains should deploy DNSSEC.
> Domains are are their own right to decide whether or not they see DNSSEC
> fit for their environment.
>
Hi Jakob,
> As someone who has actually /removed/ DNSSEC from some domains after it
> caused serious ripling failures, the brokenness of DNSSEC does not come
> from how often DNSSEC fails to validate valid requests but from how
> easily DNSSEC can crash a domain, making it too risky to deploy.
>
On 25/04/2018 17:06, Quirin Scheitle wrote:
On 25. Apr 2018, at 16:11, Matthew Hardeman via dev-security-policy
wrote:
With the right combination of DNSSEC validation, CAA records as utilized today,
[…]
Hi all,
I have advertised making DNSSEC
> On 25. Apr 2018, at 16:11, Matthew Hardeman via dev-security-policy
> wrote:
>
> With the right combination of DNSSEC validation, CAA records as utilized
> today, […]
Hi all,
I have advertised making DNSSEC validation mandatory for CAA before, bot
>
> Multiple perspectives is useful when relying on any insecure third-party
> resource; for example DNS or Whois.
>
> This is different than requiring multiple validations of different types;
> an attacker that is able to manipulate the DNS validation at the IP layer
> is also likely going to be
On Wed, Apr 25, 2018 at 8:47 AM, Paul Wouters via dev-security-policy <
dev-security-policy@lists.mozilla.org> wrote:
>
> BGP hijack at once. In the end, that's a numbers game with a bunch of
> race conditions. But hey, it might lead to actual BGP security getting
> deployed :)
>
I'm an
On Wed, 25 Apr 2018, Ryan Hurst via dev-security-policy wrote:
Multiple perspectives is useful when relying on any insecure third-party
resource; for example DNS or Whois.
This is different than requiring multiple validations of different types; an
attacker that is able to manipulate the DNS
On Wednesday, April 25, 2018 at 1:28:43 PM UTC+2, Buschart, Rufus wrote:
> Hi Ryan!
>
> The "multiple perspective validations" is an interesting idea. Did you think
> about combining it with CAA checking? I could imagine having a new tag, e.g.
> "allowedMethods", in which the legitimate owner
Hi Ryan!
The "multiple perspective validations" is an interesting idea. Did you think
about combining it with CAA checking? I could imagine having a new tag, e.g.
"allowedMethods", in which the legitimate owner of a domain can specify the
set of allowed methods to validate his domain. As an
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